So if you're off to the grocery store or warehouse club, you may want to add these items to your buy-in-bulk shopping list. If you make a lot of items from scratch, stock up on baking supplies ...

Our experts recommend stocking up on these items at any opportunity, thanks to their long shelf life and various uses.

But watch out for rookie mistakes that can lead to overspending, such as stocking up on things to avoid making a return trip ...